Frost dates in Arvada, CO
The average last spring frost in Arvada is around May 11 and the first fall frost is around October 12. That gives Arvada an average growing season of about 154 days.
Last spring frost
| Early (10% chance after) | April 20 |
|---|---|
| Average (50%) | May 11 |
| Late (90%) | May 22 |
First fall frost
| Early (10%) | September 24 |
|---|---|
| Average (50%) | October 12 |
| Late (90% chance before) | October 28 |